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Unsure which Bike to choose from? Refer to our bicycle chart for personalized guidance.
Kids Bicycle Size Chart
Age Group | Wheel Size (Inches) | Rider Height (Feet/Inches) | Rider Height (Centimeters) |
---|---|---|---|
2-4 years | 12" | 2'10" - 3'4" | 86 - 102 cm |
3-5 years | 14" | 3'1" - 3'7" | 94 - 110 cm |
4-6 years | 16" | 3'7" - 4'0" | 110 - 122 cm |
5-8 years | 18" | 3'9" - 4'3" | 114 - 130 cm |
6-9 years | 20" | 4'0" - 4'5" | 122 - 135 cm |
7-10 years | 24" | 4'3" - 4'9" | 130 - 145 cm |
Teens Bicycle Size Chart
Age Group | Wheel Size (Inches) | Rider Height (Feet/Inches) | Rider Height (Centimeters) |
---|---|---|---|
10-13 years | 24" | 4'9" - 5'1" | 145 - 155 cm |
13+ years | 26" | 5'0" - 5'6" | 152 - 168 cm |
Women's Bicycle Size Chart
Rider Height (Feet/Inches) | Frame Size (Inches) |
---|---|
4'10" - 5'1" | 13" - 14" |
5'1" - 5'4" | 15" - 16" |
5'4" - 5'8" | 17" - 18" |
5'8" - 5'10" | 19" - 20" |
5'10" - 6'0" | 21" - 22" |
6'0" and taller | 23" and above |
Men's Bicycle Size Chart
Rider Height (Feet/Inches) | Frame Size (Inches) |
---|---|
5'2" - 5'6" | 15" - 16" |
5'6" - 5'10" | 17" - 18" |
5'10" - 6'1" | 19" - 20" |
6'1" - 6'4" | 21" - 22" |
6'4" and taller | 23" and above |
These charts provide general guidelines for selecting bicycle sizes based on age, height, and gender. It's important to note that individual preferences and body proportions may vary, so it's always a good idea to test ride different sizes to find the most comfortable fit.
Enjoy Manufacturer Limited Warranty on all E-Bikes
Contact us for inquiries 24/7, any day, any time. A representative will respond promptly.
Wait less, ride more. Enjoy fast, free shipping on all E-bike orders via FedEx Ground. Shipping restrictions may apply in Alaska and Hawaii, see checkout.









Unsure which Bike to choose from? Refer to our bicycle chart for personalized guidance.
Kids Bicycle Size Chart
Age Group | Wheel Size (Inches) | Rider Height (Feet/Inches) | Rider Height (Centimeters) |
---|---|---|---|
2-4 years | 12" | 2'10" - 3'4" | 86 - 102 cm |
3-5 years | 14" | 3'1" - 3'7" | 94 - 110 cm |
4-6 years | 16" | 3'7" - 4'0" | 110 - 122 cm |
5-8 years | 18" | 3'9" - 4'3" | 114 - 130 cm |
6-9 years | 20" | 4'0" - 4'5" | 122 - 135 cm |
7-10 years | 24" | 4'3" - 4'9" | 130 - 145 cm |
Teens Bicycle Size Chart
Age Group | Wheel Size (Inches) | Rider Height (Feet/Inches) | Rider Height (Centimeters) |
---|---|---|---|
10-13 years | 24" | 4'9" - 5'1" | 145 - 155 cm |
13+ years | 26" | 5'0" - 5'6" | 152 - 168 cm |
Women's Bicycle Size Chart
Rider Height (Feet/Inches) | Frame Size (Inches) |
---|---|
4'10" - 5'1" | 13" - 14" |
5'1" - 5'4" | 15" - 16" |
5'4" - 5'8" | 17" - 18" |
5'8" - 5'10" | 19" - 20" |
5'10" - 6'0" | 21" - 22" |
6'0" and taller | 23" and above |
Men's Bicycle Size Chart
Rider Height (Feet/Inches) | Frame Size (Inches) |
---|---|
5'2" - 5'6" | 15" - 16" |
5'6" - 5'10" | 17" - 18" |
5'10" - 6'1" | 19" - 20" |
6'1" - 6'4" | 21" - 22" |
6'4" and taller | 23" and above |
These charts provide general guidelines for selecting bicycle sizes based on age, height, and gender. It's important to note that individual preferences and body proportions may vary, so it's always a good idea to test ride different sizes to find the most comfortable fit.
Enjoy Manufacturer Limited Warranty on all E-Bikes
Contact us for inquiries 24/7, any day, any time. A representative will respond promptly.
Wait less, ride more. Enjoy fast, free shipping on all E-bike orders via FedEx Ground. Shipping restrictions may apply in Alaska and Hawaii, see checkout.




































- Shipping Method: Orders placed on our website are typically shipped via UPS or FedEx Ground. This shipping method offers reliable service and a tracking number for your convenience.
- Orders are processed within 2-4 business days after payment confirmation. Once your order has been processed, please allow 7-15 business days for delivery. Please note that orders are typically delivered within a week; timeframe may vary based on your location and any unforeseen circumstances such as weather delays or carrier issues.
- We have a 14-day return policy. Customers can’t request returns for products set as final sale. We do not accept returns for non-defective items based on buyer's remorse.
- Returns of New Bike: If you order is accepted for a return, a customer may return their new bike within 14 days of receipt of the bike. The bike must be in new condition and in original packaging. Customers will be responsible for paying the $199 return shipping fees on the returned bike and a 40% restocking fee. The fee will be deducted from your refund amount.
- Returns of Used Bike: We do not accept returns of any used bikes
- Returns of Accessories: A customer may return any new within 14 days of receipt of the item, except as follows: Child Seats, bicycle trailers and helmets. Customers will be responsible for paying return shipping fees on the returned item and a restocking fee of 40% of the original purchase price on the item (s). The return fee will be deducted from your refund amount.
Introducing the RIDSTAR Q20 E-Bike, a high-performance electric bike built for comfort, power, and luxury. Whether you’re commuting or taking a leisurely ride, the Q20 is equipped with a true 1000W or 2000W high-speed brushless motor and 48V lithium battery, delivering exceptional speed and range. With the ability to cover distances of up to 80km on a single charge and achieve speeds of up to 50 km/h, this e-bike redefines convenience and efficiency.
The Q20 is designed to handle various terrains, thanks to its 20" fat tires, hydraulic front suspension, and central cushioning system. The red oil disc brakes offer superior stopping power, ensuring your safety during every ride. Featuring a Shimano 7-speed transmission, you can conquer hills and enjoy a smooth, obstacle-free ride.
Perfect for riders of heights between 158cm and 195cm, this e-bike also comes with a wide seat that accommodates carrying children. Additional features like the waterproof bike bag, LCD display, and multi-function tool make this a complete, luxury riding experience.
Key Features:
- Motor Options: Choose between 1000W or 2000W motor for powerful performance
- 48V Lithium Battery: Available in 15AH, 20AH, or 40AH options with up to 80km range
- Speed & Range: Reach speeds of up to 50 km/h and enjoy a range of up to 80km per charge
- 20” x 4.0 Fat Tires: Designed for stability and control on all terrains
- Hydraulic Front Fork & Central Cushioning: Provides a smoother ride, absorbing shocks from uneven surfaces
- Shimano 7-Speed Transmission: For smooth gear changes on varying terrains
- Red Oil Disc Brakes: Ensures fast and safe stopping power
- LCD Display: Tracks speed, battery life, and more for convenience
- Lightweight Frame: The carbon steel frame offers strength and durability at a manageable weight of 34kg
- Accessories Included: Comes with fenders, multi-function tool, headlight, and battery charger
Basic Parameters:
- Size: 1710mm (L) x 850mm (W) x 1080mm (H)
- Wheelbase: 1180mm
- Weight: 34kg
- Max Speed: ≤50 km/h
- Range: Up to 80km
- Max Load: 150kg
Package Includes:
- 1x RIDSTAR Q20 Electric Bicycle
- 1x Lithium Battery
- 1x Bicycle Bag
- 2x Fenders
- 1x Multi-function Tool
- 1x Headlight
- 1x Charger
- 1x Pair of Pedals
The RIDSTAR Q20 is more than just an electric bike—it's an all-in-one solution for riders looking for performance, luxury, and adaptability.



















Conquer the City with the Invanti EB11 Folding Electric Bike
Meet the Electric Invanti Bike EB11, your new go-to for effortless commuting. With a robust 500W motor and Shimano 7-speed transmission, this bike is built to tackle any terrain with ease, making your ride smoother and more enjoyable. The 48V 10.4AH battery ensures long-lasting power, giving you the freedom to travel up to 60KM on a single charge.
Say goodbye to traffic jams and hello to a greener, more efficient way to get around. The EB11 isn’t just powerful—it’s also incredibly convenient. Its foldable design makes it easy to store and transport, whether you’re at home, work, or on the go. Plus, with front suspension, disc brakes, and a sturdy steel frame, this bike offers a comfortable and secure ride every time.
Ready to revolutionize your commute? The Invanti EB11 is your ticket to a faster, more sustainable, and stylish way of traveling.



